4912408091 has 2 divisors, whose sum is σ = 4912408092. Its totient is φ = 4912408090.

The previous prime is 4912408073. The next prime is 4912408147. The reversal of 4912408091 is 1908042194.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4912408091 - 2³⁰ = 3838666267 is a prime.

It is not a weakly prime, because it can be changed into another prime (4912408031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2456204045 + 2456204046.

It is an arithmetic number, because the mean of its divisors is an integer number (2456204046).

Almost surely, 2^4912408091 is an apocalyptic number.

4912408091 is a deficient number, since it is larger than the sum of its proper divisors (1).

4912408091 is an equidigital number, since it uses as much as digits as its factorization.

4912408091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 4912408091 is about 70088.5731842217. The cubic root of 4912408091 is about 1699.9317263238.

The spelling of 4912408091 in words is "four billion, nine hundred twelve million, four hundred eight thousand, ninety-one".